The guy smirked before walking off and buying a pair of pink cosmopolitans to bring back to Issei. Birkin was excitedly chatting away about his work with the man who'd walked up to him, so he didn't even notice when Issei's pseudo-date was right behind him.

"Here you are~" He handed the monk the drink with a smirk. "So, what's your name and where in the world do you get your hair done?" On Birkin's world, blue hair was a bit of a deal.